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Finding the Fourth Proportional to 884,817, 1,327,230.36 and 219,969

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Solution

The fourth proportional to 884,817, 1,327,230.36 and 219,969 is: 329,954.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,817 : 1,327,230.36 = 219,969 : x
  2. Step 2: Convert to fraction form
    884,817/1,327,230.36 = 219,969/x
  3. Step 3: Cross multiply
    884,817x = 1,327,230.36 × 219,969
  4. Step 4: Simplify right side
    884,817x = 291,949,535,058.84
  5. Step 5: Solve for x
    x = 291,949,535,058.84/884,817
  6. Step 6: Final answer
    x = 329,954.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.